Subsequent Events - Additional Information (Details) - USD ($) $ in Thousands		1 Months Ended	3 Months Ended
	Jan. 15, 2021	Jan. 31, 2021	Dec. 31, 2020	Dec. 28, 2019
Subsequent Event [Line Items]
Borrowings under credit facility			$ 0	$ 455,000
Subsequent Event | Arena Solutions
Subsequent Event [Line Items]
Payments to acquire business, net of cash	$ 715,000
Total outstanding indebtedness		$ 1,600,000
Subsequent Event | Arena Solutions | Line of Credit
Subsequent Event [Line Items]
Borrowings under credit facility		$ 600,000